<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			div {
				width: 200px;
				height: 200px;
				background-color: pink;
				margin-top: 100px;
				margin-left: 50px;
				margin: 30px auto;
				padding: 50px;
			}
			header {
				width: 100px;
				height: 100px;
				margin: 0 auto;
				background-color: deeppink;
			}
		</style>
	</head>
	<body>
		<div></div>
		<header >
			头部便签
		</header>
	</body>
</html>
